I have no beef over the science but the science is not a philosophy and will always end with matter energy nor is science actually a cosmological argument although both science and a hierarchical rather than a consequential chain are bottom up. The hierarchical chain starting with observed derived power
These arguments sound very like the First Cause, or Unmoved Mover arguments, coming down from Aristotle and Aquinas. They rely on the exemptions granted to the First Cause, it is without change or movement, it is not in time, it is not part of cause and effect, and so on.
You seem to find this convincing, but I don't find analogies of goods trains rattling along, and needing an engine at the front, very persuasive. It also seems a peculiar mish-mash of physics and metaphysics.